<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <title>Title</title>
</head>
<body>
<form action="/user/login" method="post">
  用户名:<input type="text" name="username"/><br>
  密  码:<input type="text" name="password"/><br>
  <input type="submit" value="登录"/><br>
</form>
</body>
</html>